Fuel-gage.



GKE. INGRAM FUEL GAGE. APPLICATION FILED APR. 6. I917.

Patented May 7 21g?? NV ononer. E. INGRAM, or RONAN, MONTANA.

FUEL-GAGE.

A Specification of Letters Patent.

Patented May '7, 1918.

Application filed April 6, 1917. Serial No. 161,653.

To all whom it may concern:

Be it known that I, GEORGE E.'INGRAM, a citizen ofthe United States, residing at Ronan, in the county of Missoula and State of Montana, have invented a new and useful Improvement in Fuel-Gages, of which the following is a specification.

This invention relates to fuel gages for internal combustion motors and the like wherein a fuel gas receiver operates in conjunction-with the suction or intake stroke of a piston within the cylinder to which the receiver is attached; and the objects of my invention are I First, to provide improved means for gaging the amount of fuel gas to be taken into an internal combustion motor;

Second, to provide improved means adapted to limit'the amount of fuel gas to be delivered to the cylinders of an internal combustion motor;

Third, to provide an improved device adapted to operate an internal combustion motor with greater economy; and

Fourth, to provide an improved fuel gas regulating device adapted to be operated and controlled by the suction or intake stroke of an internal combustion motor.

I accomplish these several objects by means ofthe device disclosed in the drawings forming a part of the present specification wherein like characters of reference are used to designate similar parts throughout the said specification and drawings, and in which-- I Figure 1 is a vertical sectional view of my improved device as applied to a cylinder of an internal combustion motor, disclosing the position of the parts during the intake or suction stroke of the piston, and

Fig. 2 is a similar View disclosing the relative positions of the several parts during the compression exhaust or firing stroke of the piston.

Referring now more particularly to the drawings, the numeral 1 is used to designate the cylinder of an internal combustion motor having the usual exhaust and intake ports 2 and 3 respectively. In order to simplify the drawings, the valves for the exhaust port have been omitted.

The usual piston 4 is slidably mounted within the cylinder 1.

A fuel gas receiver 6 having an intake port 7 connected to a suitable source of fuel gas supply not shown, has its outlet or exhaust port 8 connected to the inlet port 3 of the cylinder 1.

The intake ports 3 and 7 of the cylinder 1 and the receiver 6 are provided with suitable valves 9 and 11 respectively which are rigidly connected to a common valve stem 12 so that when the said stem is moved longitudinally it opens either port and closes the other. The valve stem 12 is provided with a suitable collar 1 1 acted upon by means of a spring 16 to normally close the valve 9 in the intake 3 of the cylinder 1 and open the valve 11 in the intake 7 of the receiver 6. i

The operation is as follows:

The suction stroke of the piston A produces sufiicient suction to open the valve 9 against the tension of the spring 16 and draw the charge of fuel gas from the receiver 6 simultaneously closing the valve 11 of the intake 7 to prevent the entrance of a further supply or charge through the intake 7 of the receiver 6.

This action tends to lower the pressure and thereby produce a suction within the receiver 6, the purpose of which will hereinafter he more fully set forth. At the end of the suction stroke of the piston 4 the pressure on both sides of the valve 9 will be equal so that said valve 9 will be instantly closed by the tension of the spring 16 which movement will also simultaneously open the valve 11 of the intake 7 of the receiver 6.

The succeeding or compression as well as the firing and exhaust stroke of the piston 4: will tend to close the valve 9 more tightly to prevent back firing into the receiver 6.

As soon as the valve 11 of the intake 7 is opened the lowered pressure or partial vacuum produced within the receiver 6 by the intake stroke of the piston 1 will immediately draw a new charge of fuel gas into said receiver 6 which charge will be drawn into the cylinder 1 at the next intake or suction stroke of the piston 4.

From the foregoing it is obvious that at each suction or intake stroke of the piston 4: a predetermined charge will be drawn from the receiver 6 into the cylinder 1 and a partial vacuum or suction will be produced within said receiver 6. This suction or partial vacuum will draw a new charge of fuel gas into the receiver 6 at the completion of each intake stroke.

As the capacity of the receiver 6 is designed to contam a predetermined charge of fuel gas sufficient to operate the cylinder economically it is evident that the greatest possible efficiency will be obtained with a minimum amount, and therefore a saving of fuel gas Will be effected.

Having thus described my invention What I claim as new and desire to secure by Letters Patent is 1. The combination With a cylinder and piston of an internal combustion motor of a fuel gas receiver having exhaustvand intake ports, said-exhaust port being connected to the intake of the cylinder; means for normally closing the exhaust port and opening the intake of the receiver and adapted to be operatediby the suction stroke-of the piston to open the exhaust and close the intake of the receiver Wherebyacharge of gas may be Withdrawn from said receiver on the intake stroke of the piston tOlOWGI the pressure Within said receiver.-

2. The combination With a cylinder and piston of an internal combustion motor of a fuel gas receiver having an intake port: and an exhaust port connected to the intake of the cylinder; suitable valves mounted Within copies each intake; a common valve stem to both valves; means for moving the valve stem to normally close the valve in the cylinder intake and for normally closing the valve in the receiver intake, the intake valve of the cylinder being opened and the intake valve of the receiver being closed by the suction stroke of the piston whereby fuel gas may be drawn from said receiver during said suction stroke 0 and the pressure lowered Within saidreceiver to draw. a new charge thereinto when the valves are-returned to normal positions.

3. The combination with a cylinder and piston. slidably mounted therein of a fuel gas receiver havingan intake port: and an exhaust or outlet port connected to aneinta-ke of the cylinder;v suitable valves mounted Within each intake port; a; common stem connecting the valves and: a, suitable spring arrangechto move thestem-t'o normally close theintake valveof thegcylinder and to open the intake valve of the receiver.

In Witness whereof I hereunto set my signature;

eno; n. VINGRAMI of thispatentmaw beobtained for five cents each, by addressing the. Commissioner of Patents,

Washington, Dad." 

